In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What is the cheapest time of day to fly from HKG to STL?

When flying from Hong Kong to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?

Yes. In addition to deals on Hong Kong to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to St. Louis.

Can I find deals for business class flights from Hong Kong to St. Louis?

Yes. Cheapflights offers flight deals from Hong Kong to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

HK$3,960+ Cheap Flights from Hong Kong to St. Louis

Cheap flight deals from Hong Kong to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hong Kong to St. Louis
Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Wed 30-913:00 -

2 stops38h 11m

Wed 7-1007:02 -

2 stops26h 58m

Deal found 15-8HK$8,924

Thu 8-1013:00 -

2 stops23h 59m

Sun 18-1007:02 -

2 stops27h 28m

Deal found 15-8HK$8,963

Tue 15-901:10 -

2 stops29h 54m

Sun 20-906:00 -

1 stop35h 45m

Deal found 16-8HK$9,465

Wed 30-913:25 -

2 stops23h 05m

Wed 7-1006:04 -

1 stop23h 51m

Deal found 15-8HK$9,567

Thu 8-1013:25 -

2 stops21h 34m

Sun 18-1006:04 -

1 stop23h 51m

Deal found 16-8HK$9,896

Wed 16-912:20 -

2 stops23h 56m

Sun 20-908:46 -

2 stops24h 59m

Deal found 17-8HK$11,652

Wed 16-911:45 -

1 stop19h 53m

Sun 20-908:36 -

1 stop21h 19m

Deal found 16-8HK$13,542

Wed 30-921:30 -

3 stops36h 51m

Wed 7-1015:12 -

2 stops41h 53m

Deal found 15-8HK$15,863

Find flight deals from Hong Kong to St. Louis

Round-trip from	HK$8,924
One-way from	HK$3,960

30-9-7-10
4 total stops
65h 09m total
Hong Kong to St. Louis

Search Deals

29-9
2 total stops
53h 58m total
Hong Kong to St. Louis

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Wed 30-9

13:00-14:11

2 stops38h 11m

Lambert-St Louis

Wed 7-10

07:02-23:00

2 stops26h 58m

HK$8,924

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 8-10

13:00-23:59

2 stops23h 59m

Lambert-St Louis

Sun 18-10

07:02-23:30

2 stops27h 28m

HK$8,963

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 15-9

01:10-18:04

2 stops29h 54m

Lambert-St Louis

Sun 20-9

06:00-06:45

1 stop35h 45m

HK$9,465

Fastest return journey

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 8-10

13:25-21:59

2 stops21h 34m

Lambert-St Louis

Sun 18-10

06:04-18:55

1 stop23h 51m

HK$9,896

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Wed 16-9

12:20-23:16

2 stops23h 56m

Lambert-St Louis

Sun 20-9

08:46-22:45

2 stops24h 59m

HK$11,652

Cheapest one-way

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 29-9

01:40-18:38

2 stops53h 58m

HK$3,960

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 29-9

17:35-14:21

2 stops33h 46m

HK$4,948

Fastest single journey

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Sun 7-2

19:50-23:59

1 stop18h 09m

HK$8,312

Flights are sorted by cheapest return flights first.

Deals found on 15-8

Sorted by cheapest first

Best time to book a flight from Hong Kong to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hong Kong with our price prediction graph.

HKG-STL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?
Yes. In addition to deals on Hong Kong to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to St. Louis.
Can I find deals for business class flights from Hong Kong to St. Louis?
Yes. Cheapflights offers flight deals from Hong Kong to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

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Popular flights

Alternative routes for Hong Kong to St. Louis

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How does Cheapflights help users find flights from Hong Kong to St. Louis?

Cheapflights makes it easy to find Hong Kong to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Hong Kong.

Can Cheapflights find flights from Hong Kong to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to St. Louis flexibly with Cheapflights today.

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Cheap flights from Hong Kong to St. Louis from HK$3,960

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to St. Louis

Cheapest flights from Hong Kong to St. LouisExplore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Best flights from Hong Kong to St. LouisDiscover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute flights from Hong Kong to St. LouisDiscover last-minute flight deals from Hong Kong to St. Louis. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to St. Louis. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Hong Kong to St. LouisSearch for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Search for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Find flight deals from Hong Kong to St. Louis

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Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

Best time to book a flight from Hong Kong to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hong Kong with our price prediction graph.

Related info for your journey

Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?

How can I find direct flights from Hong Kong to St. Louis?

Can I find deals for business class flights from Hong Kong to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Hong Kong to St. Louis by cabin class

Find flights from Hong Kong to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and St. Louis flights

Browse other Hong Kong and St. Louis flight options. Last updated on 20 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to St. Louis?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to St. Louis?

Can Cheapflights find flights from Hong Kong to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to St. Louis become cheaper?

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Book With Flexibility

Travel Smart

Cheapest flights from Hong Kong to St. Louis
Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Best flights from Hong Kong to St. Louis
Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute flights from Hong Kong to St. Louis
Discover last-minute flight deals from Hong Kong to St. Louis. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Hong Kong to St. Louis
Search for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.